To built a dry eye acupoint therapeutic instrument by stimulating acupoints with low impulse current .And the safety of the dry eye acupoint treatment device will be tested and the initial validation will be verified.

Inclusion Criteria:

1. Patients who meet the diagnostic criteria for dry eye: The diagnostic and classification criteria refer to the Consensus of Chinese dry eye Experts: Definition and Classification (2020);
2. this study included patients with dry eyes can be treated as usual or are using artificial tears, also can be never accepted artificial tears treatment;
3. this research project, informed consent and signed informed consent form, participants are willing to accept treatment.

Those who met the above criteria could be included in the study.

Exclusion Criteria:

1. Patients with other eye diseases, acute inflammation or allergy of the eye or skin around the eye: such as blepharitis, lacrimal duct obstruction, congenital absence or dysplasia of lacrimal gland, anterior ganglia inflammation, such as trachoma, chemical burn and other corneal and conjunctival lesions, extensive scar of the eyelid conjunctival, long-term use of anti-glaucoma eye drops for glaucoma;
2. Those who have undergone external or internal eye surgery in the past 6 months；
3. Patients who have undergone tear punctum embolization or submandibular gland transplantation;
4. Wearing contact lenses within the past 3 months； （5）History of ocular trauma; （6）Active fundus lesions in the past 3 months； （7）People who are allergic to artificial tears; （8）Suffering from diseases that affect tear secretion, such as facial paralysis, diabetes, and hyperthyroidism;

(9)Patients with serious life-threatening primary diseases such as cardiovascular, cerebrovascular, liver, kidney, and hematopoietic system diseases, as well as mental illness; (10)Attending other clinical trials.